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Anatomy > Visual pathway and Diencephalon > Flashcards

Visual pathway and Diencephalon Flashcards

1
Q

Optic N stimulation travels to

A

Pretectal area

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2
Q

From Pretectal area, axons travel to

A

Edinger-Westphal nuclei on both sides

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3
Q

What is the reason when shinning light into one eye, both eyes constrict

A

Because oculomotor and optic N both connect to Edinger-Wesphal nuclei on both sides

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4
Q

Marcus Gunn pupil is due to

A

Lesion of Afferent limb of pupillary light reflex

DX made by swinging flashlight

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5
Q

VPL input

A

Sensory from body and limbs

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6
Q

VPL output

A

somatosensory cortex

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7
Q

VPM input

A

Sensory from face, taste

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8
Q

VPM output

A

Somatosensory cortex

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9
Q

VA/VL input

A

motor info from BG, cerebellum

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10
Q

VA/VL output

A

Motor cortices

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11
Q

LGB input

A

Visual from optic tract

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12
Q

LGB output

A

First-degree visual cortex

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13
Q

MGB input

A

Auditory from inferior colliculus

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14
Q

MGB output

A

First-degree auditory cortex

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15
Q

AN input

A

Mamillary nucleus (via mamillothalamic tract)

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16
Q

AN output

A

Cingulate gyrus (part of Papez circuit)

17
Q

MD involved in

A

Memory

18
Q

MD damage leads to

A

Wernicke-Korsakoff

19
Q

Lateral hypothalamic nuclei

A

Feeding center

20
Q

Ventromedial hypothalamic nuclei

A

Satiety center

21
Q

Suprachiasmatic hypothalamic nuclei

A

Regulates circadian rhythms

22
Q

Supraoptic and paraventricular hypothalamic nuclei

A

Synthesize ADH and Oxytocin

23
Q

Mamillary body of hypothalamic nuclei

A

Input from hippocampus

24
Q

Arcuate nuclei of hypothalamus

A

Produce hypothalamic releasing and inhibiting factors

25
Q

Anterior region of hypothalamic nuclei

A

Temperature regulation by stimulating PSNS

Cold

26
Q

Posterior region of hypothalamic nuclei

A

Temperature regulation by stimulating SNS

Warmth

27
Q

Preoptic area of hypothalamic nuclei

A

Regulates release of GnRH

Anatomy (25 decks)

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